/* استيراد الخطوط */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700&display=swap');

/* المتغيرات */
:root {
    scroll-behavior: smooth;
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --light-bg: #ecf0f1;
    --border-color: #bdc3c7;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 20px rgba(0,0,0,0.15);
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* إعادة تعيين */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', sans-serif;
    background: var(--gradient-bg);
    min-height: 100vh;
    direction: rtl;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo img {
    height: 50px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-list a:hover {
    color: var(--secondary-color);
}

/* Registration Section */
.registration-section {
    padding: 40px 0;
}

.registration-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    overflow: hidden;
    transition: all 0.3s ease;
}

.registration-container:hover {
    transform: translateY(-5px);
}

/* Header */
.registration-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 40px;
    text-align: center;
}

.registration-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.registration-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Progress Bar */
.progress-container {
    padding: 30px 40px;
    background: var(--light-bg);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #ddd;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--success-color));
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 25%;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.step {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.step.active {
    color: var(--secondary-color);
    font-weight: 600;
}

.step.completed {
    color: var(--success-color);
}

.step-number {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #ddd;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.step.active .step-number {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.step.completed .step-number {
    background: var(--success-color);
}

/* Form Content */
.form-content {
    padding: 40px;
}

.form-step {
    display: none;
    animation: fadeIn 0.5s ease;
}

.form-step.active {
    display: block;
}

.form-step h2 {
    color: var(--text-dark);
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.form-step p {
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Form Groups */
.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--accent-color);
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-2px);
}

.form-control.error {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-control::placeholder {
    color: var(--text-light);
    opacity: 0.7;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Course Selection */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.course-card {
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.1), transparent);
    transition: left 0.5s ease;
}

.course-card:hover::before {
    left: 100%;
}

.course-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.course-card.selected {
    border-color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.05);
    box-shadow: var(--shadow);
    transform: scale(1.02);
}

.course-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
    transition: transform 0.3s ease;
}

.course-card:hover .course-icon {
    transform: scale(1.1);
}

.course-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.course-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 15px;
}

.course-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.1);
    padding: 8px 15px;
    border-radius: 20px;
    display: inline-block;
}

/* Language Levels */
.language-levels {
    margin-top: 30px;
    padding: 25px;
    background: var(--light-bg);
    border-radius: 15px;
}

.language-levels h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.level-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.level-card {
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--white);
}

.level-card:hover {
    border-color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.05);
    transform: translateY(-3px);
}

.level-card.selected {
    border-color: var(--secondary-color);
    background: var(--secondary-color);
    color: var(--white);
    transform: scale(1.05);
}

.level-name {
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.level-price {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    background: var(--light-bg);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.file-upload::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.1), transparent);
    transition: left 0.5s ease;
}

.file-upload:hover::before {
    left: 100%;
}

.file-upload:hover {
    border-color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.05);
    transform: translateY(-3px);
}

.file-upload.dragover {
    border-color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.1);
    transform: scale(1.02);
}

.file-upload.file-selected {
    border-color: var(--success-color);
    background: rgba(39, 174, 96, 0.05);
}

.upload-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.file-upload:hover .upload-icon {
    transform: scale(1.1);
}

.upload-text {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.upload-hint {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Payment Details */
.payment-details {
    margin-top: 20px;
    padding: 25px;
    background: var(--light-bg);
    border-radius: 15px;
}

.payment-accounts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.payment-account {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.account-title {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.account-number {
    font-size: 1.1rem;
    color: var(--secondary-color);
    font-weight: 600;
    background: rgba(52, 152, 219, 0.1);
    padding: 8px 15px;
    border-radius: 8px;
    display: inline-block;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    min-width: 140px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-secondary {
    background: var(--light-bg);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn i {
    margin-left: 8px;
}

/* Form Check */
.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--secondary-color);
}

.form-check-label {
    color: var(--text-dark);
    font-size: 1rem;
}

.form-check-label a {
    color: var(--secondary-color);
    text-decoration: none;
}

.form-check-label a:hover {
    text-decoration: underline;
}

/* Error Messages */
.error-message {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-top: 8px;
    display: none;
    animation: slideDown 0.3s ease;
}

.error-message.show {
    display: block;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Success Container */
.success-container {
    text-align: center;
    padding: 60px 40px;
}

.success-icon {
    font-size: 5rem;
    color: var(--success-color);
    margin-bottom: 25px;
    animation: bounce 1s ease;
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translate3d(0,0,0); }
    40%, 43% { transform: translate3d(0,-30px,0); }
    70% { transform: translate3d(0,-15px,0); }
    90% { transform: translate3d(0,-4px,0); }
}

.success-title {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.success-message {
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.6;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 40px 0 20px;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 15px;
    color: var(--white);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: var(--light-bg);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
}

.contact-info p {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--light-bg);
}

/* Loading Animation */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-list {
        gap: 20px;
    }
    
    .registration-container {
        margin: 20px 15px;
    }
    
    .registration-header {
        padding: 30px 20px;
    }
    
    .registration-title {
        font-size: 1.8rem;
    }
    
    .progress-container {
        padding: 20px;
    }
    
    .form-content {
        padding: 30px 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .level-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .payment-accounts {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .step-text {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .registration-section {
        padding: 20px 0;
    }
    
    .registration-container {
        margin: 10px;
    }
    
    .registration-header {
        padding: 20px 15px;
    }
    
    .registration-title {
        font-size: 1.5rem;
    }
    
    .form-content {
        padding: 20px 15px;
    }
    
    .level-grid {
        grid-template-columns: 1fr;
    }
    
    .course-card {
        padding: 20px;
    }
    
    .file-upload {
        padding: 30px 20px;
    }
}